Historical information
Insulates electrical wire which is attached between the outside ridges. It is screwed onto the cross arm of a power pole. It is non conductive so electricity doesn't short to the ground.
Significance
Used on the power poles in the Kiewa Valley.
Physical description
Clear tinted glass (one green & one brown) domed shaped insulator. Above centre there are 2 ridges to enable the electrical wire/cable to be fixed on. The closed end has a screw thread down to half way to enable it to be attached to a pole.
Inscriptions & markings
Green one has 'Agee' on side of the open end